diff --git a/apps/emqx_statsd/etc/emqx_statsd.conf b/apps/emqx_statsd/etc/emqx_statsd.conf
index 994986898..e7c293282 100644
--- a/apps/emqx_statsd/etc/emqx_statsd.conf
+++ b/apps/emqx_statsd/etc/emqx_statsd.conf
@@ -1,6 +1,6 @@
 ##--------------------------------------------------------------------
- ## Statsd for EMQ X
- ##--------------------------------------------------------------------
+## Statsd for EMQ X
+##--------------------------------------------------------------------
 
 emqx_statsd:{
     enable: true
diff --git a/apps/emqx_statsd/src/emqx_statsd_api.erl b/apps/emqx_statsd/src/emqx_statsd_api.erl
index ce3296ba5..2276684a2 100644
--- a/apps/emqx_statsd/src/emqx_statsd_api.erl
+++ b/apps/emqx_statsd/src/emqx_statsd_api.erl
@@ -23,7 +23,6 @@
 -import(emqx_mgmt_util, [ response_schema/1
                         , response_schema/2
                         , request_body_schema/1
-                        , request_body_schema/2
                         ]).
 
 -export([api_spec/0]).
@@ -103,6 +102,5 @@ enable_statsd(false) ->
     ok = emqx_statsd_sup:stop_child(?APP),
     {200}.
 
-
 get_raw(Key, Def) ->
     emqx_config:get_raw([<<"emqx_statsd">>]++ [Key], Def).